how to tell if a yugioh card is ultra rare Complete Guide Rarities Guide to Yu-Gi-Oh! Card Rarity

If you would roll one or more six-sided dice, instead roll them and you may exchange one result with Vedalken Squirrel-Whacker's base power or base toughness

Black Lotus is obviously decent too as are all the stupid blue things (Ancestral Recall and Time Walk)

Another great time to use this is against a friend using one of their standard decks

If you do, during your opponent's next turn, any damage done to Golem by attacks is reduced by 40 (after applying Weakness and Resistance)

Although the card at first glance looks very convincing, CGCs graders noticed several inconsistencies with its coloring and ink layers that revealed its true origins